document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=831451>Question 831451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A designer wants to make a box with depth of 6 cm. The length must be 4cm more than the width. It must have a volume of 780 cm. Find the best width to 1 d.p </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #501377 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=501377\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 780/6=130 sq cm<BR>\n" );
document.write( "l=w+4<BR>\n" );
document.write( "(w+4)*w=w^2+4w<BR>\n" );
document.write( "w^2+4w-130=0<BR>\n" );
document.write( "w = 9.5758 about 9.6<BR>\n" );
document.write( "l= 13.5758 about 13.6\r<BR>\n" );
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